[Bug 36937] New: WinHttpReceiveRequest goes into infinite blocking on 304 responses
wine-bugs at winehq.org
wine-bugs at winehq.org
Sat Jul 19 09:26:27 CDT 2014
http://bugs.winehq.org/show_bug.cgi?id=36937
Bug ID: 36937
Summary: WinHttpReceiveRequest goes into infinite blocking on
304 responses
Product: Wine
Version: 1.7.22
Hardware: x86
OS: Linux
Status: UNCONFIRMED
Severity: major
Priority: P2
Component: winhttp
Assignee: wine-bugs at winehq.org
Reporter: anduchs at gmail.com
Created attachment 49045
--> http://bugs.winehq.org/attachment.cgi?id=49045
TestCase for the issue
When requesting a website with an "If-Modified-Since"-header and the website
returns "304 Not Modified" then the call to WinHttpReceiveResponse() blocks
forever.
The reason is that a 304-response does not have a Content-Length reader. For
some reason it gets set to 4096 and winhttp tries to read this many bytes from
the network even though nothing is going to come.
This bug affects the "Marvel Heroes 2015 Launcher" during update checking.
(Unfortunately game client still has some more issues)
Attach are a Testing-Program and a patch that fixes it.
(for the patch, I don't know if this would be the correct way to fix the issue,
but it looked like a good place to put the fix)
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